html {
  font-size: 16px;
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
}

body {
  width: 100vw;
  height: 100vh;
}

#app {
  width: 100vw;
  height: 100vh;
}
